5^12 умножить (5^4)^2/ (5^5)^4

Question

5^12 умножить (5^4)^2/ (5^5)^4

Answer 1

5^12×(5^4)^2/(5^5)^4=5^12×5^(2×4)/5^(5×4)=5^12×5^8/5^20=5^(12+8)/5^20=5^20/5^20=1